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IsLetter

Result = IsLetter ( Arg AS String ) AS Boolean

Returns TRUE if the string Arg contains only letters.

A letter is one of the following characters: ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz

Examples

PRINT IsLetter("Gambas") 
True

PRINT IsLetter("Cool!") 
False

See also